Smithville Oklahoma Climate Data

Monthly Average Climate Data for Smithville Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.8 °F52.7 °F3.92 in.
February32.1 °F56.9 °F3.8 in.
March39.5 °F64.8 °F4.94 in.
April47.2 °F72.9 °F5.47 in.
May57.3 °F79.3 °F6.96 in.
June65.4 °F87.3 °F4.34 in.
July68.8 °F91.5 °F3.97 in.
August67.5 °F92.8 °F3.54 in.
September60.8 °F86.1 °F4.44 in.
October48.9 °F75.0 °F5.43 in.
November39.2 °F63.7 °F4.58 in.
December31.7 °F54.5 °F4.87 in.
Annual48.9 °F73.1 °F56.26 in.

Climate Data for Smithville Oklahoma

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate